﻿#region License

// Copyright (c) 2008, BXO Solutions AB
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice, 
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright 
//       notice, this list of conditions and the following disclaimer in the 
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the BXO Solutions AB nor the names of its 
//       contributors may be used to endorse or promote products derived from 
//       this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#endregion

using System;
using NUnit.Framework;
using NUnit.Framework.Extensions;
using NUnit.Framework.SyntaxHelpers;

namespace Bxo.TestingPortal.Entities.Tests {
    [TestFixture]
    public class CategoryFixture {
        [Test]
        [ExpectedException(typeof (ArgumentException))]
        public void CtorFailsOnEmptyName() {
            new Category(string.Empty);
        }

        [Test]
        [ExpectedException(typeof (ArgumentNullException))]
        public void CtorFailsOnNullName() {
            new Category(null);
        }

        [Test]
        public void CtorSetsProperties() {
            var testee = new Category("the_name");

            Assert.That(testee.Project, Is.Null, "Project is set incorrectly.");
            Assert.That(testee.Name, Is.EqualTo("the_name"), "Name is set incorrectly.");
            Assert.That(testee.Scenarios, Is.Not.Null, "Scenarios is set incorrectly.");
            Assert.That(testee.Scenarios, Is.Empty, "Scenarios is set incorrectly.");
            Assert.That(testee.Scenarios.IsReadOnly, Is.False, "Scenarios is not read-only.");
        }

        [Test]
        [ExpectedException(typeof (ArgumentException))]
        public void NameSetterFailsOnEmpty() {
            new Category("a_name") {
                    Name = string.Empty
            };
        }

        [Test]
        [ExpectedException(typeof (ArgumentNullException))]
        public void NameSetterFailsOnNull() {
            new Category("a_name") {
                    Name = null
            };
        }

        [Test]
        public void ScenarioAddingWorks() {
            var testee = new Category("a_category");
            var scenario = new Scenario(new ScenarioVersion("a_summary", string.Empty));
            var project = new Project("a_project");

            project.Categories.Add(testee);
            project.Scenarios.Add(scenario);

            testee.Scenarios.Add(scenario);

            Assert.That(testee.Scenarios, Has.Count(1), "List of scenarios has invalid count.");
            Assert.That(testee.Scenarios, Is.EquivalentTo(new[] {scenario}), "List of scenarios contains invalid scenario.");
            Assert.That(scenario.Categories, Has.Count(1), "List of categories has invalid length.");
            Assert.That(scenario.Categories, Is.EquivalentTo(new[] {testee}), "List of categories contains invalid items.");
        }

        [Test]
        public void ScenarioClearingWorks() {
            var project = new Project("a_project");
            var testee = new Category("a_category");
            project.Categories.Add(testee);
            var scenario = new Scenario(new ScenarioVersion("a_summary", string.Empty));
            project.Scenarios.Add(scenario);
            testee.Scenarios.Add(scenario);

            testee.Scenarios.Clear();

            Assert.That(testee.Scenarios, Has.Count(0), "List of scenarios has invalid count.");
            Assert.That(scenario.Categories, Is.Empty, "Scenario still belongs to the category.");
        }

        [Test]
        public void ScenarioRemovingWorks() {
            var testee = new Category("a_category");
            var scenario = new Scenario(new ScenarioVersion("a_summary", string.Empty));
            var project = new Project("a_project");

            project.Categories.Add(testee);
            project.Scenarios.Add(scenario);

            testee.Scenarios.Add(scenario);
            testee.Scenarios.Remove(scenario);

            Assert.That(testee.Scenarios, Has.Count(0), "List of scenarios has invalid count.");
            Assert.That(scenario.Categories, Has.Count(0), "List of categories has invalid count.");
        }

        [RowTest]
        [Row("the_category_1")]
        [Row("the_category_2")]
        public void ToStringReturnsName(string name) {
            var testee = new Category(name);

            Assert.That(testee.ToString(), Is.EqualTo(name));
        }
    }
}